﻿using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using Microsoft.Win32;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.VCProjectEngine;
using EnvDTE;

namespace 微软中国.VsHelper
{
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the 
    /// IVsPackage interface and uses the registration attributes defined in the framework to 
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the PkgDef creation utility (CreatePkgDef.exe) that this class is
    // a package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // This attribute is used to register the informations needed to show the this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration("#110", "#112", "1.0", IconResourceID = 400)]
    // This attribute is needed to let the shell know that this package exposes some menus.
    [ProvideMenuResource("Menus.ctmenu", 1)]
    [Guid(GuidList.guidVsHelperPkgString)]
    [ProvideAutoLoad("{f1536ef8-92ec-443c-9ed7-fdadf150da82}")]
    public sealed class VsHelperPackage : Package, IVsSolutionEvents3
    {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public VsHelperPackage()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering constructor for: {0}", this.ToString()));
        }

        /////////////////////////////////////////////////////////////////////////////
        // Overriden Package Implementation
        #region Package Members

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize()
        {
            Trace.WriteLine(string.Format(CultureInfo.CurrentCulture, "Entering Initialize() of: {0}", this.ToString()));
            base.Initialize();

            _dte = GetService(typeof(DTE)) as DTE;
            _vshelper = new VsHelper();
            IVsSolution solution = this.GetService(typeof(SVsSolution)) as IVsSolution;
            uint uCookie = 0;
            if (solution != null)
            {
                int adviseSolutionResult = solution.AdviseSolutionEvents(this, out uCookie);
                if (adviseSolutionResult != VSConstants.S_OK)
                {
                    Trace.WriteLine("AdviseSolutionEvents Failed!");
                }
            }

            // Add our command handlers for menu (commands must exist in the .vsct file)
            OleMenuCommandService mcs = GetService(typeof(IMenuCommandService)) as OleMenuCommandService;
            if (null != mcs)
            {
                // Create the command for the menu item.
                CommandID menuCommandID = new CommandID(GuidList.guidVsHelperCmdSet, (int)PkgCmdIDList.cmdidVsHelper);
                MenuCommand menuItem = new MenuCommand(MenuItemCallback, menuCommandID);
                mcs.AddCommand(menuItem);
            }
        }
        #endregion

        /// <summary>
        /// This function is the callback used to execute a command when the a menu item is clicked.
        /// See the Initialize method to see how the menu item is associated to this function using
        /// the OleMenuCommandService service and the MenuCommand class.
        /// </summary>
        private void MenuItemCallback(object sender, EventArgs e)
        {
            // Show a Message Box to prove we were here
            IVsUIShell uiShell = (IVsUIShell)GetService(typeof(SVsUIShell));
            Guid clsid = Guid.Empty;

        }
        public int OnAfterOpenSolution(object pUnkReserved, int fNewSolution)
        {
//             Solution sln = _dte.Solution;
//             foreach (Project prj in sln.Projects)
//             {
//                 VCProject vc_prj = prj.Object as VCProject;
//                 if (null == vc_prj)
//                     continue;
// 
//                 _vshelper.ConfiguringVCProject(vc_prj);
//             }
            return VSConstants.S_OK;
        }
        public int OnAfterCloseSolution(object pUnkReserved)
        {
            return VSConstants.S_OK;
        }
        public int OnAfterClosingChildren(IVsHierarchy pHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnAfterLoadProject(IVsHierarchy pStubHierarchy, IVsHierarchy pRealHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnAfterMergeSolution(object pUnkReserved)
        {
            return VSConstants.S_OK;
        }
        public int OnAfterOpeningChildren(IVsHierarchy pHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnAfterOpenProject(IVsHierarchy pHierarchy, int fAdded)
        {
        //    if (1 == fAdded)
          //  {
             //   VCProject vc_prj = GetProject(pHierarchy).Object as VCProject;
               // _vshelper.ConfiguringVCProject(vc_prj);
                uint uCookie = 0;
                pHierarchy.AdviseHierarchyEvents(new ProjectListener(), out uCookie);
           // }
            return VSConstants.S_OK;
        }
        public int OnBeforeCloseProject(IVsHierarchy pHierarchy, int fRemoved)
        {
            return VSConstants.S_OK;
        }
        public int OnBeforeCloseSolution(object pUnkReserved)
        {
            return VSConstants.S_OK;
        }
        public int OnBeforeClosingChildren(IVsHierarchy pHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnBeforeOpeningChildren(IVsHierarchy pHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnBeforeUnloadProject(IVsHierarchy pRealHierarchy, IVsHierarchy pStubHierarchy)
        {
            return VSConstants.S_OK;
        }
        public int OnQueryCloseProject(IVsHierarchy pHierarchy, int fRemoving, ref int pfCancel)
        {
            return VSConstants.S_OK;
        }
        public int OnQueryCloseSolution(object pUnkReserved, ref int pfCancel)
        {
            return VSConstants.S_OK;
        }
        public int OnQueryUnloadProject(IVsHierarchy pRealHierarchy, ref int pfCancel)
        {
            return VSConstants.S_OK;
        }
        private EnvDTE.Project GetProject(IVsHierarchy hierarchy)
        {
            object project;
            hierarchy.GetProperty(VSConstants.VSITEMID_ROOT, (int)__VSHPROPID.VSHPROPID_ExtObject, out project);
            return (project as EnvDTE.Project);
        }
        private DTE _dte;
        private VsHelper _vshelper;
    }
}